#684A37
Closest named color: Mud Brown (#60460F). oklch(43.7% 0.051 53.3), rgb(104, 74, 55).
Aa
White text reads best on this color (8.00:1).
About this color
#684A37 is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.051 and its hue 53°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.047 away. White text reads best on it, at 8.00:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.051) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #684A37 |
| RGB | rgb(104, 74, 55) |
| HSL | hsl(23, 31%, 31%) |
| OKLCH | oklch(43.7% 0.051 53.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #684A37 | 8.00:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #684A37 | 2.62:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #684A37 text on white | 8.00:1 | AAA | Lc 87.7 | Fine for body text |
| #684A37 text on black | 2.62:1 | Fails | Lc -14.5 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E5
oklch(93.6% 0.009 44.9)
-
Step 200
200
#E2D6CF
oklch(88.4% 0.016 52.5)
-
Step 300
300
#D1BCAF
oklch(80.9% 0.03 53.9)
-
Step 400
400
#B99985
oklch(70.7% 0.048 53.7)
-
Step 500
500
#A78067
oklch(63.1% 0.06 54)
-
Step 600
600
#92694F
oklch(55.6% 0.065 53.3)
-
Step 700
700
#7C573F
oklch(49% 0.061 53.8)
-
Step 800
800 (this color)
#684A37
oklch(43.7% 0.051 53.3)
-
Step 900
900
#523C2E
oklch(37.7% 0.039 53.7)
-
Step 950
950
#30231B
oklch(26.9% 0.025 53)
#684A37 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #524D36 | 0.040 |
| Deuteranopia (no green cones) | #5A5337 | 0.035 |
| Tritanopia (no blue cones) | #704445 | 0.035 |
| Achromatopsia (no color) | #505050 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684A37
#684A37
oklch(43.7% 0.051 53.3)
- #345769
#345769
oklch(43.8% 0.05 231.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #684A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.047
- Purple Brown #673A3F ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.053
- Brownish Purple #76424E ΔE 0.055
- Medium Brown #7F5112 ΔE 0.063
- Olive Brown #645403 ΔE 0.065
- Green Brown #544E03 ΔE 0.070
- Saddle Brown #8B4513 ΔE 0.070
Use #684A37 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.